import Vue from "vue";
import VueRouter from "vue-router";
import Login from "../components/Login.vue";
import Home from "../components/Home.vue";
import Welcome from "../components/Welcome.vue";
import User from "../components/user/Users.vue";
import Rights from "../components/power/Rights.vue";
import Roles from "../components/power/Roles.vue";
import Cate from "../components/goods/Cate.vue";
import Params from "../components/goods/Params.vue";
import List from "../components/goods/List.vue";
import Add from "../components/goods/Add.vue";
import Order from "../components/order/Order.vue";
import Report from "../components/report/Report.vue";

Vue.use(VueRouter);

const routes = [
  { path: "/", redirect: "/login" },
  { path: "/login", component: Login },
  {
    path: "/home",
    component: Home,
    redirect: "/welcome",
    children: [
      { path: "/welcome", component: Welcome },
      { path: "/users", component: User },
      { path: "/rights", component: Rights },
      { path: "/roles", component: Roles },
      { path: "/categories", component: Cate },
      { path: "/params", component: Params },
      { path: "/goods", component: List },
      { path: "/goods/add", component: Add },
      { path: "/orders", component: Order },
      { path: "/reports", component: Report },
    ]
  }
];

const router = new VueRouter({
  routes
});

//挂在路由导航守卫  检查有没有token   没有的话直接回到login页面
router.beforeEach((to, from, next) => {
  //to 将要访问的路径
  //from 从哪里来
  //next()放行  next('/login)强制跳转到/login页面
  if (to.path === "/login") return next();
  //不是login的话说明已经登录过了    获取token
  const tokenStr = window.sessionStorage.getItem("token");
  if (!tokenStr) return next("/login"); //token是空的 直接回去登录吧
  next();
});

export default router;
